The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ADVANCE AUTO PARTS INC COM 00751Y106 266,536 1,692,185 SH   SOLE   1,604,530 0 87,655
AGORA INC ADS 00851L103 936 23,660 SH   SOLE   23,660 0 0
ALBANY INTL CORP CL A 012348108 21,456 292,235 SH   SOLE   224,045 0 68,190
ALIGN TECHNOLOGY INC COM 016255101 243,715 456,071 SH   SOLE   432,635 0 23,436
ALTRA INDL MOTION CORP COM 02208R106 132,038 2,382,060 SH   SOLE   1,828,730 0 553,330
AMETEK INC COM 031100100 354,576 2,931,830 SH   SOLE   2,778,160 0 153,670
APTARGROUP INC COM 038336103 221,479 1,617,935 SH   SOLE   1,532,075 0 85,860
ASANA INC CL A 04342Y104 98,264 3,325,340 SH   SOLE   3,148,610 0 176,730
ATRICURE INC COM 04963C209 118,888 2,135,580 SH   SOLE   1,639,060 0 496,520
AVANOS MED INC COM 05350V106 159,246 3,470,935 SH   SOLE   2,670,880 0 800,055
B & G FOODS INC NEW COM 05508R106 58,507 2,109,890 SH   SOLE   1,613,445 0 496,445
BARNES GROUP INC COM 067806109 139,993 2,761,755 SH   SOLE   2,122,745 0 639,010
BIO RAD LABS INC CL A 090572207 135,968 233,245 SH   SOLE   220,930 0 12,315
BIO-TECHNE CORP COM 09073M104 245,199 772,160 SH   SOLE   735,570 0 36,590
BLACKBAUD INC COM 09227Q100 44,011 764,610 SH   SOLE   587,715 0 176,895
BLACKLINE INC COM 09239B109 56,929 426,815 SH   SOLE   329,535 0 97,280
BRYN MAWR BK CORP COM 117665109 30,276 989,580 SH   SOLE   761,135 0 228,445
CSW INDUSTRIALS INC COM 126402106 40,559 362,425 SH   SOLE   280,365 0 82,060
CVB FINL CORP COM 126600105 50,651 2,597,465 SH   SOLE   1,998,035 0 599,430
CAMPBELL SOUP CO COM 134429109 115,142 2,381,420 SH   SOLE   2,258,020 0 123,400
CANTEL MED CORP COM 138098108 311,704 3,952,620 SH   SOLE   3,390,850 0 561,770
CARDIOVASCULAR SYS INC DEL COM 141619106 134,394 3,071,170 SH   SOLE   2,363,230 0 707,940
CATALENT INC COM 148806102 156,122 1,500,165 SH   SOLE   1,429,145 0 71,020
CHASE CORP COM 16150R104 27,920 276,410 SH   SOLE   212,485 0 63,925
CHURCH & DWIGHT INC COM 171340102 84,958 973,954 SH   SOLE   927,594 0 46,360
COMMUNITY BK SYS INC COM 203607106 64,558 1,036,070 SH   SOLE   796,345 0 239,725
CONMED CORP COM 207410101 189,506 1,692,014 SH   SOLE   1,298,649 0 393,365
COOPER COS INC COM NEW 216648402 193,195 531,750 SH   SOLE   506,600 0 25,150
CULLEN FROST BANKERS INC COM 229899109 143,773 1,648,205 SH   SOLE   1,561,200 0 87,005
DENTSPLY SIRONA INC COM 24906P109 254,109 4,853,120 SH   SOLE   4,600,115 0 253,005
E L F BEAUTY INC COM 26856L103 93,224 3,700,843 SH   SOLE   2,844,293 0 856,550
EDWARDS LIFESCIENCES CORP COM 28176E108 257,633 2,823,997 SH   SOLE   2,675,172 0 148,825
ENVESTNET INC COM 29404K106 56,797 690,205 SH   SOLE   530,250 0 159,955
ENVISTA HOLDINGS CORPORATION COM 29415F104 112,775 3,343,474 SH   SOLE   3,019,019 0 324,455
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 112,683 4,176,540 SH   SOLE   3,221,855 0 954,685
FORTIVE CORP COM 34959J108 349,699 4,937,855 SH   SOLE   4,704,380 0 233,475
FRESHPET INC COM 358039105 20,588 144,995 SH   SOLE   109,660 0 35,335
FULLER H B CO COM 359694106 31,833 613,590 SH   SOLE   470,815 0 142,775
GALLAGHER ARTHUR J & CO COM 363576109 302,542 2,445,573 SH   SOLE   2,317,118 0 128,455
GENERAC HLDGS INC COM 368736104 179,838 790,810 SH   SOLE   681,115 0 109,695
GENETRON HLDGS LTD ADS 37186H100 735 52,495 SH   SOLE   52,495 0 0
GERMAN AMERN BANCORP INC COM 373865104 40,935 1,237,075 SH   SOLE   951,560 0 285,515
GLOBUS MED INC CL A 379577208 70,343 1,078,545 SH   SOLE   829,755 0 248,790
HERSHEY CO COM 427866108 244,679 1,606,245 SH   SOLE   1,522,250 0 83,995
HOSTESS BRANDS INC CL A 44109J106 155,950 10,652,320 SH   SOLE   8,181,150 0 2,471,170
IDEX CORP COM 45167R104 152,898 767,560 SH   SOLE   727,925 0 39,635
INDEPENDENT BANK CORP MASS COM 453836108 92,741 1,269,733 SH   SOLE   973,453 0 296,280
INNOSPEC INC COM 45768S105 73,400 808,995 SH   SOLE   626,055 0 182,940
INSPIRE MED SYS INC COM 457730109 109,216 580,660 SH   SOLE   443,965 0 136,695
INTEGRA LIFESCIENCES HLDGS C COM NEW 457985208 419,284 6,458,465 SH   SOLE   5,603,440 0 855,025
J & J SNACK FOODS CORP COM 466032109 90,549 582,795 SH   SOLE   445,960 0 136,835
JOHN BEAN TECHNOLOGIES CORP COM 477839104 192,808 1,693,230 SH   SOLE   1,299,650 0 393,580
LAMB WESTON HLDGS INC COM 513272104 236,819 3,007,607 SH   SOLE   2,846,967 0 160,640
LANCASTER COLONY CORP COM 513847103 239,390 1,302,943 SH   SOLE   1,058,153 0 244,790
MGP INGREDIENTS INC NEW COM 55303J106 67,378 1,431,745 SH   SOLE   1,100,565 0 331,180
MSA SAFETY INC COM 553498106 143,186 958,470 SH   SOLE   736,050 0 222,420
MASIMO CORP COM 574795100 224,715 837,302 SH   SOLE   763,042 0 74,260
MEDALLIA INC COM 584021109 396,041 11,921,759 SH   SOLE   10,472,694 0 1,449,065
MERCADOLIBRE INC COM 58733R102 226 135 SH   SOLE   135 0 0
MOLSON COORS BEVERAGE CO CL B 60871R209 121,059 2,678,890 SH   SOLE   2,551,310 0 127,580
NATIONAL VISION HLDGS INC COM 63845R107 78,796 1,739,820 SH   SOLE   1,339,970 0 399,850
NEW RELIC INC COM 64829B100 272,034 4,159,545 SH   SOLE   3,534,925 0 624,620
NORDSON CORP COM 655663102 102,117 508,173 SH   SOLE   481,763 0 26,410
NORTHERN TR CORP COM 665859104 176,577 1,895,825 SH   SOLE   1,795,445 0 100,380
OKTA INC CL A 679295105 158,434 623,119 SH   SOLE   591,009 0 32,110
OMNICELL COM COM 68213N109 65,182 543,095 SH   SOLE   417,450 0 125,645
PALO ALTO NETWORKS INC COM 697435105 231,059 650,155 SH   SOLE   616,540 0 33,615
PALOMAR HLDGS INC COM 69753M105 62,470 703,175 SH   SOLE   541,730 0 161,445
PENUMBRA INC COM 70975L107 81,917 468,095 SH   SOLE   359,760 0 108,335
PLANET FITNESS INC CL A 72703H101 24,835 319,910 SH   SOLE   298,075 0 21,835
PLURALSIGHT INC COM CL A 72941B106 70,958 3,385,395 SH   SOLE   2,598,220 0 787,175
PRESTIGE CONSMR HEALTHCARE I COM 74112D101 87,189 2,500,410 SH   SOLE   1,923,280 0 577,130
PROOFPOINT INC COM 743424103 152,719 1,119,560 SH   SOLE   1,061,315 0 58,245
PROSPERITY BANCSHARES INC COM 743606105 213,119 3,072,645 SH   SOLE   2,714,710 0 357,935
PURE STORAGE INC CL A 74624M102 436,482 19,304,832 SH   SOLE   16,576,637 0 2,728,195
Q2 HLDGS INC COM 74736L109 300,319 2,373,498 SH   SOLE   1,938,923 0 434,575
RBC BEARINGS INC COM 75524B104 44,270 247,265 SH   SOLE   190,210 0 57,055
RITCHIE BROS AUCTIONEERS COM 767744105 52,099 749,090 SH   SOLE   577,625 0 171,465
ROCKWELL AUTOMATION INC COM 773903109 153,679 612,732 SH   SOLE   581,077 0 31,655
SVB FINANCIAL GROUP COM 78486Q101 169,334 436,619 SH   SOLE   413,814 0 22,805
SAILPOINT TECHNOLOGIES HLDGS COM 78781P105 147,315 2,767,005 SH   SOLE   2,122,575 0 644,430
SALLY BEAUTY HLDGS INC COM 79546E104 64,852 4,973,350 SH   SOLE   3,830,850 0 1,142,500
SELECTIVE INS GROUP INC COM 816300107 99,471 1,485,090 SH   SOLE   1,142,380 0 342,710
SENSIENT TECHNOLOGIES CORP COM 81725T100 131,853 1,787,355 SH   SOLE   1,371,045 0 416,310
SERVICENOW INC COM 81762P102 162,087 294,473 SH   SOLE   279,333 0 15,140
SHAKE SHACK INC CL A 819047101 31,693 373,830 SH   SOLE   288,250 0 85,580
SIMPLY GOOD FOODS CO COM 82900L102 172,841 5,511,500 SH   SOLE   4,238,000 0 1,273,500
SMARTSHEET INC COM CL A 83200N103 215,968 3,116,871 SH   SOLE   2,955,666 0 161,205
SMUCKER J M CO COM NEW 832696405 250,038 2,162,955 SH   SOLE   2,050,465 0 112,490
SPLUNK INC COM 848637104 188,682 1,110,614 SH   SOLE   1,052,459 0 58,155
STANDEX INTL CORP COM 854231107 49,820 642,670 SH   SOLE   494,110 0 148,560
STOCK YDS BANCORP INC COM 861025104 32,591 805,122 SH   SOLE   616,947 0 188,175
SYNOPSYS INC COM 871607107 131,274 506,380 SH   SOLE   480,400 0 25,980
TACTILE SYS TECHNOLOGY INC COM 87357P100 63,614 1,415,535 SH   SOLE   1,087,185 0 328,350
TENABLE HLDGS INC COM 88025T102 159,887 3,059,445 SH   SOLE   2,346,175 0 713,270
TERMINIX GLOBAL HOLDINGS INC COM 88087E100 110,090 2,158,201 SH   SOLE   2,046,641 0 111,560
TORO CO COM 891092108 169,941 1,791,866 SH   SOLE   1,696,161 0 95,705
TRACTOR SUPPLY CO COM 892356106 256,172 1,822,250 SH   SOLE   1,727,800 0 94,450
TRADEWEB MKTS INC CL A 892672106 220,528 3,531,280 SH   SOLE   3,349,080 0 182,200
TREEHOUSE FOODS INC COM 89469A104 186,751 4,395,175 SH   SOLE   3,764,765 0 630,410
TRIMAS CORP COM NEW 896215209 105,690 3,337,225 SH   SOLE   2,575,855 0 761,370
UMB FINL CORP COM 902788108 100,610 1,458,330 SH   SOLE   1,119,390 0 338,940
ULTA BEAUTY INC COM 90384S303 313,394 1,091,356 SH   SOLE   1,034,281 0 57,075
UTZ BRANDS INC COM CL A 918090101 37,404 1,695,545 SH   SOLE   1,298,535 0 397,010
VAPOTHERM INC COM 922107107 19,965 743,315 SH   SOLE   572,165 0 171,150
VEEVA SYS INC CL A COM 922475108 194,608 714,812 SH   SOLE   677,932 0 36,880
WASHINGTON TR BANCORP COM 940610108 32,941 735,295 SH   SOLE   564,135 0 171,160
WATERS CORP COM 941848103 223,123 901,800 SH   SOLE   855,775 0 46,025
WEST PHARMACEUTICAL SVSC INC COM 955306105 97,949 345,730 SH   SOLE   328,030 0 17,700
WILEY JOHN & SONS INC CL A 968223206 107,222 2,348,275 SH   SOLE   1,805,865 0 542,410
WINGSTOP INC COM 974155103 37,691 284,355 SH   SOLE   221,175 0 63,180
WOLVERINE WORLD WIDE INC COM 978097103 110,351 3,531,220 SH   SOLE   2,717,455 0 813,765
WORKDAY INC CL A 98138H101 371,019 1,548,430 SH   SOLE   1,468,215 0 80,215
WORKIVA INC COM CL A 98139A105 65,345 713,220 SH   SOLE   547,710 0 165,510
YEXT INC COM 98585N106 119,403 7,595,605 SH   SOLE   5,810,445 0 1,785,160
ZENDESK INC COM 98936J101 124,887 872,600 SH   SOLE   827,445 0 45,155
ZSCALER INC COM 98980G102 219,020 1,096,690 SH   SOLE   1,040,230 0 56,460
ARCO PLATFORM LTD COM CL A G04553106 1,616 45,520 SH   SOLE   45,520 0 0
ARGO GROUP INTL HLDGS LTD COM G0464B107 87,685 2,006,523 SH   SOLE   1,545,378 0 461,145
CLARIVATE PLC ORD SHS G21810109 226,190 7,613,260 SH   SOLE   7,215,305 0 397,955
EVEREST RE GROUP LTD COM G3223R108 295,877 1,263,945 SH   SOLE   1,197,495 0 66,450
JAMES RIV GROUP LTD COM G5005R107 64,950 1,321,475 SH   SOLE   1,019,470 0 302,005